Re: Ext3 vs NTFS performance

[Christoph Hellwig]

On Fri, May 04, 2007 at 07:49:13PM +0400, Michael Tokarev wrote:
> How about providing a way to stop kernel (or filesystem) to make gaps
> in files instead?  Like some ioctl(fd, FS_NOGAPS, 1) -- pretty much
> like 'doze has, just the opposite (on windows, this flag is "on" by
> default).

Giving filesystems non-hole semantics is non-trivial.  Not allowing
for holes creates a lot of complications in unix-like filesystems.

> But the main point is that samba has to keep track of things which it
> doesn't do now, and those things becomes.. interesting (difficult if
> at all possible to track) in multi-user/concurrent-writes environment.

Samba is there to deal with a braindead protocol and braindead clients,
so let it continue to do that.  No need to push this into the kernel.

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